20122221302 has 16 divisors (see below), whose sum is σ = 30421279680. Its totient is φ = 9982075392.

The previous prime is 20122221293. The next prime is 20122221313. The reversal of 20122221302 is 20312222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74099 + ... + 213857.

It is an arithmetic number, because the mean of its divisors is an integer number (1901329980).

Almost surely, 2^20122221302 is an apocalyptic number.

20122221302 is a deficient number, since it is larger than the sum of its proper divisors (10299058378).

20122221302 is a wasteful number, since it uses less digits than its factorization.

20122221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140327.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20122221302 its reverse (20312222102), we get a palindrome (40434443404).

The spelling of 20122221302 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred two".